@article {3930,
	title = {A temperature dependence study of small solutes in zero electric field gradient nematic liquid crystal mixtures},
	journal = {Molecular Physics},
	volume = {90},
	number = {3},
	year = {1997},
	note = {ISI Document Delivery No.: WK754Times Cited: 10Cited Reference Count: 50},
	month = {Feb},
	pages = {303-313},
	type = {Article},
	abstract = {The temperature dependences of the proton nuclear magnetic resonance (NMR) spectra of the solutes 1,3,5-trichlorobenzene, metadichlorobenzene, orthodichlorobenzene, 1,3-bromochlorobenzene, benzene and 2-butyne have been studied in the special {\textquoteright}zero electric field gradient{\textquoteright} mixtures 55wt\% 1132-N-(4-ethoxybenzylidene)-4{\textquoteright}-n-butylaniline (EBBA) and 70wt\% (4-n-pentyl)-4{\textquoteright}-cyanobiphenyl-EBBA. The order parameter matrices obtained for each solute from an analysis of the NMR spectra indicate that the solutes experience a similar anisotropic potential in both mixtures.},
	keywords = {BIAXIAL SOLUTE, CONFORMATIONAL EQUILIBRIUM, INTERNAL-ROTATION, MOLECULES, NORMAL-BUTANE, orientational order, POTENTIAL FUNCTION, RAMAN-SPECTRA, SHAPE, SOLVENTS},
	isbn = {0026-8976},
	url = {<Go to ISI>://A1997WK75400001},
	author = {Chandrakumar, T. and Burnell, E. E.}
}
@article {2983,
	title = {COMPARISON OF SHORT-RANGE INTERACTIONS IN NEMATIC LIQUID-CRYSTALS - A H-2-NMR STUDY OF 5CB-D(19) AS A SOLUTE},
	journal = {Liquid Crystals},
	volume = {17},
	number = {4},
	year = {1994},
	note = {ISI Document Delivery No.: PH470Times Cited: 4Cited Reference Count: 42},
	month = {Oct},
	pages = {457-485},
	type = {Article},
	abstract = {Previous studies using dideuterium as a solute have demonstrated the importance for orientation of the interaction between the solute molecular quadrupole moment and the average electric field gradient present in liquid crystals. With the aim of learning about additional orientational mechanisms, we have studied the temperature dependence of the H-2-NMR spectra of the liquid crystal 5CB-d(19) as the solute in three liquid crystal mixtures: 55 wt \% 1132/EBBA, 56.5 wt \% 1132/EBBA and 70 wt \% 5CB/EBBA. In these mixtures, the contribution from the environment to the average electric field gradient at the H-2 nucleus of dideuterium is zero. The spectra of 5CB-d(19) in the mixtures 55 wt \% 1132/EBBA and 56.5 wt \% 1132/EBBA are equivalent, but are different from those in 70 wt \% 5CB/EBBA. The spectra of 5CB in 55 wt \% 1132/EBBA and 70 wt \% 5CB/EBBA are analysed using two different models for the short range potential, and parameters of the models are used to compare the potentials in the different mixtures. For a given spectral splitting of the chain C-1 deuteron, the reduced short range potential is the same in all three mixtures studied. The spectral differences observed are a consequence of different nematic-isotropic phase transition temperatures combined with the effect of trans/gauche-isomerization in the hydrocarbon chain.},
	keywords = {BINARY-MIXTURES, EQUILIBRIUM, FLEXIBILITY, MAGNETIC-RESONANCE, MOLECULAR-STRUCTURE, MULTIPLE-QUANTUM NMR, NORMAL-BUTANE, orientational order, RAMAN-SPECTRA, SPECTROSCOPY},
	isbn = {0267-8292},
	url = {<Go to ISI>://A1994PH47000001},
	author = {Chandrakumar, T. and Zimmerman, D. S. and Bates, G. S. and Burnell, E. E.}
}
@article {2983,
	title = {COMPARISON OF SHORT-RANGE INTERACTIONS IN NEMATIC LIQUID-CRYSTALS - A H-2-NMR STUDY OF 5CB-D(19) AS A SOLUTE},
	journal = {Liquid Crystals},
	volume = {17},
	number = {4},
	year = {1994},
	note = {ISI Document Delivery No.: PH470Times Cited: 4Cited Reference Count: 42},
	month = {Oct},
	pages = {457-485},
	type = {Article},
	abstract = {Previous studies using dideuterium as a solute have demonstrated the importance for orientation of the interaction between the solute molecular quadrupole moment and the average electric field gradient present in liquid crystals. With the aim of learning about additional orientational mechanisms, we have studied the temperature dependence of the H-2-NMR spectra of the liquid crystal 5CB-d(19) as the solute in three liquid crystal mixtures: 55 wt \% 1132/EBBA, 56.5 wt \% 1132/EBBA and 70 wt \% 5CB/EBBA. In these mixtures, the contribution from the environment to the average electric field gradient at the H-2 nucleus of dideuterium is zero. The spectra of 5CB-d(19) in the mixtures 55 wt \% 1132/EBBA and 56.5 wt \% 1132/EBBA are equivalent, but are different from those in 70 wt \% 5CB/EBBA. The spectra of 5CB in 55 wt \% 1132/EBBA and 70 wt \% 5CB/EBBA are analysed using two different models for the short range potential, and parameters of the models are used to compare the potentials in the different mixtures. For a given spectral splitting of the chain C-1 deuteron, the reduced short range potential is the same in all three mixtures studied. The spectral differences observed are a consequence of different nematic-isotropic phase transition temperatures combined with the effect of trans/gauche-isomerization in the hydrocarbon chain.},
	keywords = {BINARY-MIXTURES, EQUILIBRIUM, FLEXIBILITY, MAGNETIC-RESONANCE, MOLECULAR-STRUCTURE, MULTIPLE-QUANTUM NMR, NORMAL-BUTANE, orientational order, RAMAN-SPECTRA, SPECTROSCOPY},
	isbn = {0267-8292},
	url = {<Go to ISI>://A1994PH47000001},
	author = {Chandrakumar, T. and Zimmerman, D. S. and Bates, G. S. and Burnell, E. E.}
}
